import { v4 as uuidv4 } from 'uuid';

//生成 usertempId
export function isUserTempId() {
    //在本地存储获取 userTempId
    let userTempId = localStorage.getItem("userTempId");

    if (userTempId) {
        //存在 返回
        return userTempId;
    } else {
        //不存在，则生成
        let newUserTempId = uuidv4();
        // 本地存储
        localStorage.setItem("userTempId", newUserTempId);
        return newUserTempId;
    }
}


//保存 token
export function saveToken(token) {
    localStorage.setItem("token", token);
}

//读取token
export function readToken() {
    return localStorage.getItem("token");
}

//删除本地token
export function deleteToken() {
    localStorage.removeItem("token");
}